The C630 valve guides are precision-machined from copper-based C63000 nickel-aluminum bronze for long life and reliable performance. ⚙️
Compatible with unleaded fuel and designed to accept any valve-stem material, they deliver exceptional durability and service when used with chromed valve stems.
A tapered nose design provides maximum bearing contact while minimizing port obstruction to improve flow characteristics.
These guides accept OEM-style top hat valve seals (sold separately) and OEM lower collars for straightforward, direct-replacement fit; OEM style construction ensures proper fitment and installation.
Manufactured in the USA to Kibblewhite quality standards, they offer a dependable solution for demanding exhaust applications. 🇺🇸